vmscan: add task name to warn_scan_unevictable() messages

If we need to know a usecase, caller program name is critical important. Show it. Signed-off-by: KOSAKI Motohiro <[email protected]> Acked-by: Johannes Weiner <[email protected]> David Rientjes <[email protected]> Reviewed-by: Minchan Kim <[email protected]> Reviewed-by: KAMEZAWA Hiroyuki <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
pinh3ad · Jan 11, 2012 · 25bd91b · 25bd91b
1 parent f6d7e0c
commit 25bd91b
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/mm/vmscan.c b/mm/vmscan.c
@@ -3436,9 +3436,10 @@ void scan_mapping_unevictable_pages(struct address_space *mapping)
 static void warn_scan_unevictable_pages(void)
 {
 	printk_once(KERN_WARNING
-		    "The scan_unevictable_pages sysctl/node-interface has been "
+		    "%s: The scan_unevictable_pages sysctl/node-interface has been "
 		    "disabled for lack of a legitimate use case.  If you have "
-		    "one, please send an email to [email protected].\n");
+		    "one, please send an email to [email protected].\n",
+		    current->comm);
 }
 
 /*